共 4 条
[1]
Bautista EM,et al. Journal of Veterinary Diagnostic Investigation . 1993
[2]
Archiv. Kim KS,et al. Journal of Virology . 1993
[3]
Wenswoort G.et al. Veterinary Quarterly . 1991
[4]
13th Int.Pig Vet. Soc. Wenswoort G,Proc. Congr . 1994